Last year, Malaysia struck an exploration deal with Shell and state player Petronas in the area, while Indonesia gave US-based Unocal the right to explore in the same area in 2004.
Ambalat joint effort 'on cards'
Indonesia and Malaysia may work together to explore potentially oil-rich waters claimed by both nations, the leaders of the two countries said today.
12 January 2006 13:14 GMT
Updated
12 January 2006 13:14 GMT
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